尾数公式法简介：Li Yun once told Cheng Keshu that she wanted to forget him and study hard, but she found that once she fell in love with someone, his shadow would fill her mind, and she would never forget him.
Li Yun once told Cheng Keshu that she wanted to forget him and study hard, but she found that once she fell in love with someone, his shadow would fill her mind, and she would never forget him.
